For many species, producing an embryo is a bit of a contest between males and females. Males want as many offspring as possible and want the females to devote as many resources as possible to each of ...

Many writers grouse when an editor makes a change in a story, but the consequences of changing a single word usually aren’t that dire. Not so with genetic instructions for making proteins. Even a ...

A new gene-editing technique enables the correction of multiple genetic mutations simultaneously, transforming the prospects for millions living with complex inherited diseases, such as cystic ...

While CRISPR is probably the most prominent gene-editing technology, there are others, some developed before and since. And people have been developing CRISPR variants to perform more specialized ...

A powerful form of DNA-editing machinery discovered in bacteria might allow us to make much bigger changes to genomes than is currently possible with CRISPR-based techniques. However, it isn’t yet ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...